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WebGPU: Subgroup Size Control

Category
Graphics
Type
New or changed feature
Status
Proposed (Chrome Proposed)
Intent stage
None

Summary

Adds the optional GPU feature "subgroup-size-control" that allows explicitly setting the subgroup size in a compute shader. This technique is particularly useful for the applications that need to optimize the performance of the compute shader using subgroup operations with specifc subgroup size on certain platforms, such as the AI workloads.

Motivation

Adds the optional GPU feature "subgroup-size-control" that allows explicitly setting the subgroup size in a compute shader. This technique is particularly useful for the applications that need to optimize the performance of the compute shader using subgroup operations with specifc subgroup size on certain platforms, such as the AI workloads.

Standards & signals

View on chromestatus.com